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Section
4.
Supplementary
Operations
The
operations involving the
IBM
129
may
be
generally
classified
as:
Programs
Punching
Verifying
Use of
PROGRAM MODE
Dial
described
in
Section
7.)
The
program
is
read into
program
control storage
at
the
start
of
a particular application
by
inserting
the
prepunched program
card
at
the read (or
punch/read)
station,
and
by
pressing
READ.
The
PROGRAM MODE
dial
must be
in
the desired
program
level
setting for
proper
program
load operation.
PROGRAMS
The
IBM
129
operates
under program
control
with
up
to
six
different
programs,
readily selected
by
the operator.
The
preparation of these programs, the use
of
the
program
card,
the
programming
codes,
and
the associated techniques
are
described
in
the
first
part
of
this section.
Program Card
A
program
card
is
normally prepared
for
each punching
or
verifying application,
and can be used
repeatedly.
Codes
punched
in
this
program
card control the
automatic
operations
and
field sizes
for
the corresponding
columns of
the cards
being
punched
or
verified.
Each row
in
the
program
card governs a
specific
function.
Program
planning
forms,
useful in
planning a
program
before punching,
are
described
in
Section
8.
The
assignment of
a
program
level
is
arbitrarily
made by
the operator. Generally, the operator
assigns
program
level
1
to the
first
program
stored,
continuing
the
numbering
through
the
last
(level
6)
program.
Program
level
(no-program)
is
forced
by
the
system
during data
read,
or
may
be
a
normal
PROGRAM MODE
setting for
operating
in
punch
or verify
mode
without
program
control.
When
a
program
card
is
to
be
prepared
for a particular
punching
application,
the card design should
be
carefully
analyzed
to
code
the
program
card
for
maximum
punching
efficiency.
Proper
use
of
the various features
of
the card
punch
reduces operator time
and
effort
to a
minimum.
Greater
programming
flexibility
is
gained
by
using
all
six
of
the
program
levels
provided.
Program
Code
Table
Six
program
levels
(plus
no-program)
are
provided.
The
standard
program
codes
(field
definition, skip,
dup, and
alpha, (see
Figures 5
and
6) are
similar
to
the
IBM
29 Card
Punch
program
1.
Left-zero
(verify)
and
the
special
feature
codes
are different.
(Special feature
program
codes
are
Field Definition
(Code:
&)
The
12-punch
is
the
field
definition
punch. (The numeric
"&"
provides the
manual
12-punch.)
A
field
definition
punch
for
the
program
level
being used
must
appear
in
every
column,
except the
first,
(left-hand position)
of
every
field
to
be
automatically skipped,
duplicated, or
manually
punched.
The
field
definition
punch
causes
any
skip
or
dup
operation
started
within
a
defined
field
to
continue
to the
end
of
that
field.
Several consecutive
fields
to
be automat-
ically
skipped
or duplicated
as
one
field
can be
programmed
as a single
field.
Do
not
program
a
single-column
field
with
a
field
definition
punch.
Field definition
codes
punched
in
the
program
card for
manually
punched
fields
permit
occasional skipping,
left-
zero
inserting,
or
duplicating.
This
skipping,
LZ
inserting,
or duplicating
is
started
by
keyboard
control keys.
Automatic
Skip (Code:
—)
The
11-punch
is
the auto-skip
start
code.
The
dash
("-"
in
alphabetic
shift)
provides the
manual
11-punch.
Punching
the auto-skip
start
code
in
the
first
column
of
the
field
to
be skipped
starts
an
automatic
skip,
which
continues to the
end
of
the
field
defined
by
the
field
definition
punches.
This operation
is
also
under
control
of
the functional
control switch,
AUTO
SKIP/DUP.
If this
switch
is
OFF,
the
program
card codes
for auto-skip
start
are
not
recognized.
Automatic
Duplication (Code:
0)
The
0-punch
is
the
start
of
the
auto-dup
code.
Punching
the
start-auto-dup
code
in
the
first
column
of
the
field
to
be
duplicated
starts
automatic
duplication,
which
continues to
the
end of
the
field
defined
by
the
field
definition
punches.
The
0-punch
also identifies
the
first
column
of an
auto-
matic
verify
field.
This operation
is
also
under
control
of
the functional
control switch,
AUTO
SKIP/DUP.
If this
switch
is
OFF,
the
program
card codes
for start-auto-dup are
not
recognized.
Supplementary
Operations
23
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